ProCal Gearing Ratios

bigal77usa
May 10, 2023

Rank 0

May 10, 2023

Has anyone tried changing their gearing ratios yet with the ProCal tuner? Curious if you've noticed any major changes or issues.
Last edited by a moderator: May 10, 2023

I trust the dirt

May 11, 2023

#1
I haven't yet but it is on order with my dealer. I am getting the 2.3 performance tune. I am going from 4.46 to 4.7 Having put on 35" tires going to the 4.7 will be a benefit. I like the tire/gear ratio calculators found on line. It is nice to put in your tire size and gearing as see if they are in the sweet spot.
23 Bronco Raptor, code orange belts, keyless, lux, leather trim/suede seats, carbon fibre, shadow black

This is me in my happy place...

May 11, 2023

#2
I haven't yet but it is on order with my dealer. I am getting the 2.3 performance tune. I am going from 4.46 to 4.7 Having put on 35" tires going to the 4.7 will be a benefit. I like the tire/gear ratio calculators found on line. It is nice to put in your tire size and gearing as see if they are in the sweet spot.
I had a black diamond with the 2.3/manual/4.46 .
I had the factory 32.? General grabbers. Changed to Nitto Trails grapplers (35s) 315/70 (much heavier)
ZERO COMPLAINTS.. PLUS I avg around 19.5-21.5 hand calculated, and had the speedo corrected-plus compared to GPS spot on.. so that 4.46 with 35s reduced it to like a 4.11 gear ratio.. perfect!!
Now I have wildtrak 2.7/auto,4.70 and the same set of tires from BD... 16.5avg mpg 🙄🤣😂
2023 Wildtrak, Iconic Silver, Hard top, ordered 10/5, built 12/13, delivered 1/18

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